Senior Estimator

Calco Services Limited; Remote; GBP 70,000 - 80,000; Full time

Job summary

A leading infrastructure services provider in the UK is seeking a **Senior Estimator** to oversee the estimation for clean and wastewater projects. This remote role involves producing accurate estimates, advising management on risks, and engaging with stakeholders. The ideal candidate will have a strong background in the water industry, solid commercial knowledge, and experience estimating infrastructure projects. A degree in a relevant field is preferred, and excellent communication skills are essential for success. Competitive salary and comprehensive benefits are offered.

Benefits

Matched pension scheme

24/7 online GP service

Employee Assistance Programme

Retail discounts

Life assurance

Company car and fuel card

Qualifications

• Essential experience within the water industry, ideally across both water and wastewater environments.
• Strong commercial and contractual knowledge required.
• Ability to manage and delegate across fluctuating workloads.

Responsibilities

• Produce accurate, timely estimates for clean water and wastewater infrastructure.
• Advise senior management on commercial influences and risks.
• Engage daily with key stakeholders, including clients and operational teams.

Skills

Water industry experience

Estimating on infrastructure projects

Commercial and contractual knowledge

Excellent communication skills

Proven people management

Education

Degree in Engineering, Quantity Surveying, or related discipline

Job description

Senior Estimator – Water & Wastewater Capital Projects

Location: Falmer
Working Arrangement: Remote
Salary: £70,000 – £80,000 per annum

About the Company

This organisation is a leading provider of essential infrastructure services, working across major capital programmes that help protect vital resources for future generations. With a strong focus on safety, sustainability and long-term resilience, they support clients in safeguarding water supplies, improving environmental performance and extending the life of critical assets.

Operating in a collaborative, people-first culture, the business combines deep engineering expertise with a forward-thinking approach to infrastructure renewal. Employees are encouraged to grow, contribute ideas and thrive in a friendly, respectful and inclusive environment. With over a century of combined engineering and infrastructure experience, the company is recognised for delivering complex, high-value projects that make a real difference to communities and the environment.

The Opportunity

This role sits within the Water and Wastewater Capital Project Delivery team, responsible for delivering large-scale programmes designed to keep water infrastructure resilient, compliant and environmentally responsible for the long term.

As Senior Estimator, you will play a key role in shaping commercially robust bids and supporting the successful delivery of clean and wastewater infrastructure projects. Although the role is remote, it is aligned to the Falmer area and associated frameworks.

What You’ll Be Doing

• Working as part of an estimating team, reporting to the Managing Estimator (South) on the relevant framework

• Producing accurate, timely estimates across one-off projects and packages of work within clean water and wastewater infrastructure

• Providing estimating support for bids and live contracts, ensuring robust pricing, risk management and governance

• Advising senior management on commercial influences, risks and opportunities relating to bids

• Liaising with suppliers and subcontractors to gather accurate cost data and produce reliable estimates

• Ensuring supplier and subcontractor terms are back-to-back with client requirements, or assessing and mitigating any deviations

• Prioritising workloads and supporting the wider team to meet business and programme deadlines

• Engaging daily with key stakeholders, including clients, operational teams and supply chain partners

• Identifying opportunities to improve estimating processes and implementing changes to enhance performance

What You’ll Bring

• Essential experience within the water industry, ideally across both water and wastewater environments

• Experience estimating on water and/or wastewater infrastructure projects

• Strong commercial and contractual knowledge

• Excellent communication, influencing and negotiation skills

• Proven people management and stakeholder engagement capability

• Ability to manage and delegate across fluctuating workloads

• A proactive mindset with the ability to identify improvement opportunities and influence change

• Strong understanding of governance and estimating processes

• Degree qualified in Engineering, Quantity Surveying, Cost & Planning or a related discipline (preferred)

What’s in It for You?

Salary: £70,000 – £80,000 per annum

A comprehensive benefits package designed to support life both in and out of work, including:

• Matched or contributory pension scheme

• 24/7 online GP service

• Employee Assistance Programme

• Retail discounts via a rewards portal

• Life assurance

• Cycle to work, salary finance and give-as-you-earn schemes

• Enhanced maternity, paternity and adoption leave

• Reward and recognition schemes

Additional benefits include:

• Company car and fuel card (EV and hybrid options available)

• Salary sacrifice EV / hybrid car scheme

• Private healthcare for you and your family

• Health Care Cash Plan (dental, eyecare, physiotherapy and more)

• 25 days annual leave plus bank holidays

• Personal Accident Cover

• Recommend-a-friend incentive

Culture & Values

The organisation is committed to being an employer of choice, attracting diverse talent and creating an environment where everyone feels they belong. They actively support inclusion networks and are recognised for championing opportunities for armed forces veterans.

Their values shape how they work every day:

• Acting responsibly for people, communities and the planet

• Being open to new and better ways of working

• Succeeding together as one team

• Embracing ambition to deliver essential infrastructure for life

Employees at all stages of their career benefit from structured development, training and industry-recognised programmes.